Geometrical details of reactors
|
Geometrical details of impellers
|
Turbulence parameters
|
---|
Reactor configuration
|
Nominal reactor size
|
DR
|
VL
|
H
|
Number of impellers
|
C
|
ΔC
|
d
|
h
|
w
|
d/DR
|
h/d
|
w/d
|
Po
|
n
|
Re
|
λ
|
λ/Λ
|
dmax/λ
|
Λ/dmax
|
---|
| |
m
| | | | | |
m
|
m
|
m
|
-
|
-
|
-
|
-
|
1/s
|
-
|
μm
|
-
|
-
|
-
|
---|
A-1
|
50 L
|
0.293
|
0.035
|
0.52
|
3
|
0.095
|
0.19
|
0.104
|
0.023
|
0.029
|
0.35
|
0.22
|
0.28
|
5.5
|
4.0 – 11.7
|
4.3 – 12∙104
|
16 – 32
|
286 – 571
|
14 – 28
|
11 – 39
|
A-2
|
0.15
|
0.05
|
0.05
|
0.51
|
0.33
|
0.33
|
8
|
3.6 – 8.0
|
8.1 – 18∙104
|
13 – 23
|
400 – 688
|
17 – 21
|
19 – 40
|
A-3
|
0.17
|
0.05
|
0.05
|
0.58
|
0.29
|
0.29
|
7.1
|
3.3 – 7.2
|
9.6 – 21∙104
|
14 – 23
|
402 – 674
|
17 – 21
|
19 – 39
|
A-4
|
0.19
|
0.05
|
0.05
|
0.65
|
0.26
|
0.26
|
6.4
|
2.8 – 6.1
|
1.0 – 2.2∙105
|
13 – 23
|
396 – 695
|
17 – 21
|
19 – 42
|
B-1
|
3 m3
|
1.2
|
2.4a
|
2.2
|
3
|
0.51
|
0.69
|
0.41
|
0.09
|
0.12
|
0.34
|
0.22
|
0.28
|
4.9
|
2.1 - 5.8
|
2.5 – 9.7∙105
|
11 – 23
|
1.5 – 3.2∙103
|
14 – 23
|
71 – 211
|
B-2
|
0.45
|
0.09
|
0.12
|
0.38
|
0.2
|
0.26
|
5
|
1.9 – 5.1
|
3.7 – 10∙105
|
11 – 23
|
1.5 – 3.2∙103
|
15 – 26
|
64 – 185
|
B-3
|
0.51
|
0.12
|
0.18
|
0.43
|
0.24
|
0.34
|
5.9
|
1.3 – 4.2
|
2.6 – 11∙105
|
11 – 25
|
1.9 – 4.4∙103
|
15 – 24
|
82 – 261
|
C-1
|
40 m3
|
2.8
|
30
|
5
|
3
|
0.92
|
1.8
|
1.19
|
0.22
|
0.29
|
0.42
|
0.19
|
0.24
|
4.7
|
0.8 – 2.3
|
1.1 – 3.3∙106
|
11 – 22
|
3.9 – 8.3∙103
|
13 – 24
|
163 – 652
|
- All impellers were 6-bladed Rushton type impellers installed in a three impeller configuration. Power numbers were estimated with Eq. 10, except for setup B-1 and B-3 for which Power numbers could be measured.
- afor 0.1 vvm aeration rate: 2.6 m3, see Daub et al. [24].